Activity and leaching features of zinc-aluminum ferrites in catalytic wet oxidation of phenol
文献类型：期刊论文
| 作者 | Xu, Aihua; Yang, Min; Qiao, Ruiping; Du, Hongzhang; Sun, Chenglin |
| 刊名 | journal of hazardous materials
 |
| 出版日期 | 2007-08-17 |
| 卷号 | 147期号:1-2页码:449-456 |
| 关键词 | catalytic wet oxidation phenol leaching spinel iron zinc |
| 产权排序 | 1;1 |
| 通讯作者 | 孙承林 |
| 英文摘要 | a series of znfe2-xalxo4 spinel type catalysts prepared by sol-gel method have been characterized and tested for catalytic wet oxidation (cwo) of phenol with pure oxygen. the iron species existed in these materials as aggregated iron oxide clusters and fe3+ species in octahedral sites. with a decrease in iron content the concentration of the first iron species decreased and the latter increased. complete phenol conversions and high chemical oxygen demand (cod) removals were obtained for all catalysts during phenol degradation at mild reaction conditions (160 degrees c and 1.0 mpa of oxygen pressure). increasing with the concentration of fe3+ species in octahedral sites, induction period became significantly shortened. after phenol was completely degraded, the concomitant recycling of the leaching fe3+ ions back to the catalyst surface was observed, and in this case it is possible to perforrn successful cwo reactions with some cycles. it is also suggested that during the reaction the fe3+ cations coordinated in octahedral sites in the znfe2-xalxo4 catalysts are resistant to acid leaching, but the reduced fe3+ cations become much more labile, leading to increased fe leaching. (c) 2007 elsevier b.v. all rights reserved. |
| WOS标题词 | science & technology ; technology ; life sciences & biomedicine |
| 类目[WOS] | engineering, environmental ; engineering, civil ; environmental sciences |
| 研究领域[WOS] | engineering ; environmental sciences & ecology |
| 关键词[WOS] | hydrotalcite-like precursors ; photo-fenton degradation ; aqueous-solutions ; peroxide oxidation ; air oxidation ; iron ; fe ; mechanism ; surfaces ; znfe2o4 |
| 收录类别 | SCI |
| 原文出处 | true |
| 语种 | 英语 |
| WOS记录号 | WOS:000249136200056 |
| 公开日期 | 2010-11-30 |
| 源URL | [http://159.226.238.44/handle/321008/99103]  |
| 专题 | 大连化学物理研究所_中国科学院大连化学物理研究所 |
| 作者单位 | 1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China 2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China |
| 推荐引用方式 GB/T 7714 | Xu, Aihua,Yang, Min,Qiao, Ruiping,et al. Activity and leaching features of zinc-aluminum ferrites in catalytic wet oxidation of phenol[J]. journal of hazardous materials,2007,147(1-2):449-456. |
| APA | Xu, Aihua,Yang, Min,Qiao, Ruiping,Du, Hongzhang,&Sun, Chenglin.(2007).Activity and leaching features of zinc-aluminum ferrites in catalytic wet oxidation of phenol.journal of hazardous materials,147(1-2),449-456. |
| MLA | Xu, Aihua,et al."Activity and leaching features of zinc-aluminum ferrites in catalytic wet oxidation of phenol".journal of hazardous materials 147.1-2(2007):449-456. |
入库方式： OAI收割
来源：大连化学物理研究所
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